
EN ISO 17226-2. Leather. Chemical tests. Part 2. Determination of formaldehyde content in leather by colourimetric analysis
出版:British Standards Institution

專家解讀視頻
EN ISO 17226-2. Leather. Chemical tests. Part 2. Determination of formaldehyde content in leather by colourimetric analysis
出版:British Standards Institution
專家解讀視頻